Can-painting machine.



No. 692,079. Patented Jan. 28,"I9'042=.

- A. T.l SHRThLEY & D. 0. THOMPSON.

CAN PAINTING MACHINE. Implication mea June 24, 19o 1.\

2 .Sheets-Sheet I.

(No Model.)

Patented Ian` 28, |902.

2 s`heefssheef 2.

IJANl PAINTING MACHINE.

(Application filed June 24, 1901.}

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(N0 Model.)

-NTTED STATES PATENT Ormea.

ALBERT Tf SIIOR'ILEY AND DAVID O. THOMPSON, OF SIOUX CITY, IO\VA.

CAN-PAINTING MACHINE.

SPECIIFCATIQN forming part of Letters Patent No. 692,079, dated January 28,

`Apinicttnnfunimaar,1901.: serinnaeaazz. (Noma-.1.1

To all whom, t may concern;

Beit known that we, ALBERT T. SHORTLEY and DAVID O. THOMPSON, citizens of the United States, residing at Sioux City, in the county of `Woodbury and State of Iowa, have invented new and useful Improvements in Can-Painting Machines, of which the following is a specification.

This invention relates to can-painting machines; and it includes certain advantageous features of construction hereinafter set forth, while the novelty thereof forms the basis of the appended claims.

The machine constituting the subject-Inatter of this application involves in its organization a dipping tankfor vat which contains a supply of paint through which the cans are caused to pass, and when they leave this tank they are conducted to an apparatus adapted to spread the paint on evenly and to remove the superfluous or unnecessary paint, which can be returned to the dipping-tank. The apparatus just alluded to embodies a clutch adapted to grip the cans successively. and which is rotated for the purpose of securing the objects just specified, the clutch being automatically operated (or it may be manually actuated) to alternately hold and release a can, and the cans may be supplied to the clutch and discharged therefrom automatically, or these functions may be performed by hand. The cans during their travel are Iirst led to a cooking tank or vessel and from thence to other tanks,`and nally to a Vdipping-tank, from which latter they pass to the clutch for rotation, and the movement of the cans is effected by gravity, the weight of the ones behind pushing the ones in front for- Ward.

The invention is not limited to the particular construction hereinafter specified, for many changes within the scope ot' our claims can be made without departing from the spirit of our invent-ion.

In the drawings accompanying and forming part` of this specification, Figure 1 is a sectional side elevation of the machine. Fig. 2 is a sectional side elevation of the paintspreading and superfluous-paint-removing mechanism. Fig. 3 is a detail of one of the cams. Fig. 4 is a similar view of a feed-controlling mechanism. Fig. 5 is a view corresponding to'liig. 2, showing a different kind of clutch.

Like characters designate like parts in all the figures of the drawings.

The framework for sustaining the different parts of the paint-spreading device may be of any suitable kind. That shown is designated in a general Way by A.

The main shaft, from which the several operative parts of the paint-spreading device receive their motion, is denoted by 12, and it may be driven through pulleys and belting or gearing, though we have not shown any means for this purpose. A clutch, hereinafter more particularly described, is carried by said shaft 12, and it has means for holding a can so that when the shaft rotates at the proper speed the paint previously applied to the can will be evenly distributed thereon, while the excess will be thrown off by centrifugal force.

The cans f before they are painted travel first through a cooking or treating tank, as 13, and then through washing and cooling tanks, as 100 and 101, they being contained within the chute or runway 14 while traversing such tanks. The chute, which lnay be either of an open or closed structure at one end or what might be termed the entering end thereof, is vertical, as at ct, for Va portion of its length, it having an inclined enlarged upper end b, into which the cans are initially placed. Said chute has a horizontal portion c connected to the vertical part a thereof by an inclined and curved portion d 'at the right inner side of the' cooking-tank 13. The cans having been placed in the mouth b of the chute 14 descend to the horizontal portion c thereof, and the latter merges into a compound-curved section e, located at the left of said tank. The Weight of the gravitating cans f in the upright portion of the chute forces the cansalong the horizontal portion and from thence into the compoundcurved portion of the chute, from whence they pass one by one into similarly-formed portions a', d', c', and e', a2, die, c2, and e2,`and a3, d5, c3, and e3, respectively, of said chute 14. The cooking-tank contains steam, boiling water, or equivalents thereof, and the horizontal portion ofthe chute 14 is immersed in the Water or is positioned to be reached by the steam, and it is comparatively long, so

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that the cans will remain for some time in said tank, so that the boiling water, steam, or the like can reach the cans, such horizontal portion having a multiplicity of slots or holes, as 14,through which the boiling water,steam, or like medium can freely circulate to cook the contents of the cans. After the cans leave the cooking-tank they are successively guided through the washing and cooling tanks 100 and 101, the chute having successive portions a', d', c', and e', d2, d2, c2, and e2, and

a3, cl3, c3, and e3, respectively, like that described to carry out these operations. The discharge of the cans from the successive tanks is automatically controlled by suitable stops, and the means illustrated for this purpose will now be described.

Rockers are shown at 16, and to them are connected the links 18 and 18', and said links 18 and 18 carry pivoted stop fingers or blades 20 and 20', projecting through suitable guideholes in the chute 14. Connecting rods or links, as 21, may be connected to cranks, as h, on the crank-shaft z', which shaft may be operated in some convenient manner, or other means may be employed for actuating said connecting rods or links. Let it be assumed that a finger 20 extends across the path of the cans and that an adjacent finger 20 is drawn back. On the retraction of the finger 20 to release the can that engaged the same the finger 20 will be advanced to a position in front of the following can to prevent the latters moving along said chute. On the opposite motion the finger 20 will be advanced and the finger 20 will be drawn back, so that the can that just rested against the finger 20 can roll against the finger 20, being pushed forward by the cans behind it, and when said nger 20 is drawn back the cans arrested thereby will be released, and these operations will alternate as long as the rock-arm 16 is in motion. The motion of the rockers will be controlled by suitably-positioned stops, as 103, and the rockers will be situated in proximity to the several tanks, so that the feed of the cans can be properly governed at the several places.`

It will be understood that the cooking-tank 13 can contain steam, chemicals, or any other agent capable of securing the desired function and that the washing and cooling tanks 100 and 101, respectively, can lreceive any suitable substance which is adapted to wash and cool the cans, while the paint-tank 22 may contain paint, varnish, or analogous liquids. The cans therefore normally pass successively through the cooking, washing, cooling, and painting tanks, and while in the latter they are coated with paint, varnish, or like material.

The eXtreme end of the chute 14 has a descending inclination, along and from which the painted cans are forced, being caused to enter the vconduit 23, and while they are in the latter they are fed to a rotating clutch, hereinafter described. The conduit 23 consists of two sloping superposed portions and a transverse or horizontal portion between them, as shown in Fig. 2, this construction forming a horizontal shelf, as 24, to support the body of a can-carrier,(denoted in a general way by B.) The can-carrier consists of a horizontal body B and a vertical back B2, forming, in effect, a substantially L.-shaped structure.

The main shaft 12 carries the clutch-body 25 at its inner end, keyed or otherwise fastened thereto, and said clutch-body carries near its periphery the arms or levers 26, fulcrumed to the clutch-body substantially midway between their ends, said arms or levers carrying pivoted coacting can-gripping jaws 27 at their inner ends, which are moved toward each other by the clutch-collar 28, the latter having a taper or coned periphery adapted to engage the free ends of the clutcharms. The clutch-jaws 27 extend through slots 27 in the guide-arms 28', extending outward from the clutch-body 25. The clutchcollar is splined to the shaft 12 for movement along the same, and when it is slid to the left the taper periphery thereof by engaging the clutch-arms will operate the latter, so as to carry the jaws on said arms toward'each other to hold a can placed therebetween,and on the opposite movement of said collar thejaws will be freed from the can, and the latter can be ejected from the clutch. The clutch-jaws of courseV rotate with the shaft, and whilea can is held thereby the paint is evenly distributed over the surface of said can, while. the surplus paint is removed by centrifugal force and falls against the shield C, from whence it can be drawn olf through the orifice Cand be returned to the dipping or paint tank 22. The collar is automaticallyoperated back and forth by mechanism one form of which will be hereinafter described.

The wall of the conduit 23 has a hole 23 to receive and guide the elongated tube 30, extending rearwardly from the vertical back of the can-carrier B, and said tube contains a plunger, as 31, the left end of the plunger having a head 32, and said plunger is surrounded by a coiled spring 33, bearing at its ends against the head 32 and the right end of the bore of the tube 30. The right end of the plunger 31 extends through an opening in the back of the can-carrier B, so that when said plunger is'thrust to the right it will serve to push a can off the carrier. A rock-arm is shown at 34, it being fulcrumed at its lower end, as at 34, to the framework, and its upper end being connected by a pin, as 35, with the plunger-head 32 in the center thereof, said arm passing through longitudinal slots 36 in the`wall of the tube 30. When the rockarin 34 is swung to the right, it will move the tube, and hence the can-carrier B, in a corresponding direction or until the nut 30', threaded onto said tube, abuts against the wall of the conduit 23. At this point the right end of the body B of the can-carrier IOO ICS

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will have reached a position contiguous the upper end of the right wall of thelower vertical portion of said conduit. On the continued motion of the arm 34 toward the right the plunger 31 will be moved in the same direction and will eject the painted can from the can-carrier and force it between the clutchjaws 27, which are then closed, as will hereinafter appear. As the plunger advances in its tube the coiled spring 33 will be compressed. The oscillation of the rock-arm 34 is eected by a camthrough suitable intervening connections, hereinafter described, said cam having a groove of such shape as will at the proper time force the plunger 3l back ward, spring 33 relaxing until plunger-head abuts against the left closed end of the tube 30, and after this is accomplished said cam will swing the rock-arm until it has been returned to its primary position or until the canorarrier strikes the left wall of the conduit 23.

The can-carrier B is shown as having a cutoff portion or plate 33' extending rearwardly from the upper end of its back B2, and this cutoff when the can-carrier is advanced, as j ust described,is brought under the upper vertical portion of the conduit 23, so as to hold backthe can or cans therein. When the cut-off on the rearward movement of the can-carrier uncovers such portion of the conduit, the lowermost can is released and can drop onto the horizontal portion of said Y can carrier. When the clutchjaws are released from the can, the latter will be forced away from said jaws, so that it can reach the lower vertical portion of the conduit 23, down which it can pass to be suitably disposed of, and this operation is obtained by the plunger 39. Said plunger, like the one previously mentioned, consists of a horizontally-slidable bar.

The main shaft 12 is hollow or bored for a portion of its length to receive the plunger 39, and said shaft carries a sliding sleeve 40,keyed or pinned to the right end of the plunger 39, as at 41, the key 41 passing through a slot formed in the hollow portionA of said shaft.

The clutch-collar 28 has a projecting annularly-grooved hub 200, the groove 201 being adapted to receive pins 202 on the bifurcated end 203 of the rock-arm 43, pivoted, as at 204, on the framing, while a similarly mounted and acting rock-arm 44 engages the sleeve 40, so as to slide the same along the shaft- 12. These rock-arms are oscillated by cams, hereinafter described, the working portions of which are/so formed as to first slide the clutchcollar 28 forward and then backward upon the shaft 12, so as to successively put the clutch-jaws 27 into their` effective and ineffective positions, and thereby respectively grip and release a can, and afterward to move the sleeve 40 forward and then back ward along said shaft, so'that the plunger 39 can be first operated to engage the unclutched can and force the same into line with the lower portion of the conduit 23 and afterward returned to its original position.

The main shaft 12 carries at or near one end a bevel-gear 45, meshing with a corresponding bevelfgear 45 on the transverse shaft 46, the latter having at its opposite end the gear 47, meshing with `a gear 47 on the shaft 48, which carries a series of cams, to be described hereinafter. The gears 47 and 47 are held on their shafts by lock-nuts, as 48', and are changeable thereby to vary the speed of the cam-shaft, and hence of the elements actuated thereby. The shaft 48 carries a series of cams,.as 49, 50, andl, having facegrooves, as 52, to receive pins, as 53, at the lower ends of rock-arms 54, 55, and 56, the upper ends of said arms being pivoted to connecting-rods, as 57, 58, and 59, united at their opposite ends to the rock-arms 34, 43, and 44, respectively, and the cam grooves are so shaped and disposed relatively to each other as to secure the functions of the can-carrier B, plunger 31, clutch-collar 28, and plunger 39 is proper sequence. 58 passes through a hole in the rock-arm 43, and it has stops, as 110' and 111', at opposite sides of the rock-arm, and it receives the coiled spring 112', bearing against the stop 111' and the rocker, and by reason of this indirect connection between the said parts it is not possible to crush the cans.

It is believed the complete operation will be at once obvious from the foregoing description. Brieiiy stated,itisas follows: The cans are successively conducted into and out of the several tanks, and when they leave the painting-tank 22 they fall onto the carrier B in the conduit 23,and motion having been previously applied 4to the main shaft 12 the cancarrier B will'be advanced, and afterward the plunger 31 will be operated so as to force the can between the clutch-jaws 27, after which the cani-carrier and plunger are returned to their original positions. When the can is positioned between the jaws 27, these will be closed, as previously described, and subsequently released, so that the plunger 39 can be operated to expel the canfrom the clutch and into the lower vertical portion of the conduit 23.

In Fig. 5 we have shown and will now describe a diderent form of can-clutching mechanisni, the same being thrown into action by foot or hand. This can-clutching mechanism involves in its construction a two-part shaft consisting, respectively, of the sections 60 and 61, normally continuously rotative and stationary, respectively. G0 may be rotated in any convenient manner, and when it is put into driving connection with the section 61 the latter will be actuated, and as it carries the can-clutch the can will be rotated to secure the objects hereinbefore specified. The shaft-section 61 carries at one end the clutch-collar 62, keyed thereon for sliding movement and connected by links 61 with the arms or levers 63, carrying the pivoted clutch-jaws 64 at their opposite ends,

. which work through slots in the rigid guide- The connecting-rod IOO IIO

The shaft-section arms 65, extending laterally from the outer face of the clutch-body 66, fixed to the shaftsection 6l. The arms 63 are pivoted intermediate their ends to the clutch-body, near the periphery of the latter, for swinging movement, and they are operated by the sliding collar 62,precisely like the arms 26, previously described, to successively grip and release a can. The shaft-section 6l carries at the end opposite that provided with the clutch-body 66 the slidable clutch member 67 of the friction type, keyed thereto and having wedge faces at its ends adapted to coperate with similar wedge faces on the brake 68 and clutch-half 69. The brake is carried by one of the bearings of the shaft-section 61, while the clutch part 69 is keyed or otherwise fixed to the normally continuously rotative shaft-section 60. When the clutch-sleeve 67 is moved to the right to carry its wedge face into contact with the Wedge face of the clutch-half 69, the shaftsection 6l, and hence the can-clutch, will be rotated, and the driving connection will be broken by moving the clutch-sleeve out of ycontact with the clutch-half 69, while the rotation of the shaft-section 6l will be instantly stopped by throwing the clutch sleeve 67 against the friction-brake 68. The hub of the clutch-collar 62 is circumferentially grooved, as vat 205, to receive the bifurcated end 206 of the shifting lever 70 to slide the same along the shaft, while a somewhat similar lever 71 performs a like function for the slidable clutch member 67. A treadle is shown at '72, consisting of an angle-lever fulcrumed, as at 207, at its elbow upon the framework, and the j long arm thereof is adapted to be engaged p by the foot, while the short arm is pivoted to the connecting-rod 73, which passes through a hole above the fulcrum 208 of the-lever and through an alined hole below the fulcrum 209 of the lever 71, and it carries at its outer end an adjustable stop 74. A coiled spring, as 75, is connected to the shifting lever 7l above its fulcrum and also to the framework, When the rod 73 is drawn to the left, the stop 74, by engaging the lower end of the lever 7l, will swing the upper arm thereof to the right, thereby carrying the clutch-sleeve 67 into contact with the clutch-half 69 to start the shaft-section 6l and rotate the can-clutch, and when vsaid rod is moved to the right by the power ofthe spring the clutch-sleeve 67 is carried against the brake 68 to stop said shaft-section 61. The rod 73 carries a second stop, as 76, located between the levers 70 and 71, and it is surrounded by a coiled spring 73, bearing at its opposite ends against the lever 70 and stop 76, whereby when said rod is drawn to the left the lever 70 will be so swung as to move the clutch-collar 62 in a corresponding direction to put the clutchjaws 64 in their Working position. The lever 70 is returned to its normal position by the adjustable stop 78 on said rod 73. When the long arm of the treadle 72 is pressed down, the rod 73 will be pulled to the left, so as to throw the clutch-jaws 64 into engagement with a can. Thereafter the shaft-section 6l is turned so as to rotate the'can-clutch thereon, and when the treadle is released by raising the foot it can be returned to its normal position by the coiled spring 79, connected with the short arm thereof, whereby the rod 73 is thrust to the right to place the parts controlled thereby in their initial positions.

Each machine will have as many clutchjaws 27 as are necessary to handle the various sized and shaped cans for which it is intended, and the faces and surfaces of such jaws will be made to adapt themselves to the ca ns used in such machine.

The clutch mechanism shown in Fig. 2 may be the same as that indicated in Fig. 5, and many other changes within the scope of Ithe appended claims may be also made.

The paint thrown off by the rotating can enters the shield C and passes from thence through the drain-pipe C'.

Having described the invention, what we claim isl l. In a machine of the class specified, a shaft, a can-holding device on said shaft, having jaws, a can-carrier, means for advancing the can-carrier toward the can-holding device, means for pushing the can from the cancarrier and between said jaws, means for successively closing and opening the jaws, means for rotating said shaft, and means for ejecting the can from the jaws.

` 2. In a machine of the class specied, a shaft, a can-holding device on said shaft, having jaws, a can-carrier, means for advancing the can-carrier toward the can-holding device, means for pushing the can from the cancarrier and between said jaws, means for successively closing and opening the jaws, means for rotating said shaft, and means for ejecting the can from the jaws, combined with means for coating the can with paint, and means for carrying the can from the paintcoating means to the can-carrier.

3. In a machine of the class specified, a shaft, a can-holding device on said shaft, having jaws, a can-carrier, means for advancing the cau-carrier toward the can-holding device, means for pushing the can from the can-carrier and lbetween said jaws, means for successively closing and opening the jaws, means for rotating said shaft, and means for ejecting the can from the jaws, combined with means for coating the can with paint, means for carrying the can from lthe paint-coating means to the can-carrier, and means to catch the paint from the can while it is held by said can-holding device.

4. In a machine of the class specified, a can-holding device, means for painting a can and supplying it to the can-holding device, means for rotating the can-holding device, and means for ejecting the can from said canholding device.

5. In a machine of the class specified, a can-holding device, means for painting a can IIO and supplying it to the can-holding device, means for rotating the can-holding device, and means to catch paintfrom said can while held b y the can-holding device.

6. In a machine of the class specified, a can-holding device, means for paintinga can and supplying it to the can-holding device, means for rotating the can-holding device, and ashield surrou nding said can-holding device, having a discharge-orifice.

7. In a machine of the class specied, a can-holding device, a can-carrier, means for advancing the cancarrier, means for moving the can off the can-carrier and supplying it to the can-holding device, means for rotating said can-holding device, means for ejecting the can from said can-holding device, `means for applying paint to the can, means for conducting the can from the paintapplying means to the cancarrier, and means for catching paint given off by the can while held by said canholding device.

8. In a machine of the class described, a can-holding device, means for rotating said can-holdingdevice, a can-carrier, means for advancing lthe caircarrier, means for moving the can od the cancarrierand supplying it to the can-holding device, and means for ejecting the can from said can-holding device.

9. In a machine of `the class described, a can-holding device, means for rotating said can-holding device, a can-carrier, means for advancing the can-carrier, and means supported by the can-carrier for moving the can off the same and supplying it to the can-holding device.

10. In a machine of the class specified, a supply-chute for cans, a can-carrier for receiving the cans from said chute, means for advancing the can-carrier, a can-holding device, means for ejecting a can from the cancarrier and supplying it to the can-holding device, means for rotating said can-holding device, means for ejecting the can from said can-holding device, and means operative with the can-carrier for controlling the discharge of cans from said chute.

1l. In a machine of the class specified, a chute, a cancarrier consisting of a vertical portion having two horizontal and oppositelydisposed extensions the lower of which serves to support the can and the upper arresting the descent of the cans when said can-carrier is advanced, means for advancing the cancarrier, acan-holding device, means for ejecting the cans from the can-carrier and for su pplying them to the can-holding device, means for rotating said can holding device, and means for ejecting the cans from said canholding device.

12. In a machine of the class specified, a can-holding device, means for rotating the same at a highrate of speed, paint-applying means for the can, a can-carrier, a chute to conduct the can from the paintapplying means to the can-carrier, means for advancing the can-carrier, means for ejecting the can from the can-carrier and supplying it to the can-holding device, means for ejecting the can from the can-holding device, means for arresting the movement of the cans in said chute when the can-carrieris advanced, and means to catch the paint from the can held by said can-holding device.

13. In a machine ofthe class described, a shaft carrying a can-holding device and hollow and also slotted, means for rotating said shaft, a can-ejecting plunger in said shaft, a sleeve slidable on said shaft, and a pin or pins passing through the slots in said shaft and uniting the sleeve and plunger.

14. In a machine of the class described, a can-holding device, a can-carrier, means to rotate said canholding device, means to advance the can-carrier, and two plungers one operative to push the can from the can-carrier to the can-holding device and theother for ejecting the can from said can-holder.

l5. In a machine of the class described, a hollow shaft provided with a can-holding device, means for rotating said shaft, a can-carrier, means to advance said can-carrier, and two plungers one supported by the can-car rier and serving to push the can from said can-carrier to the can-holding device andthe other being located in said shaft and being operative to force the can from said canhold ing device.

16. In a machine of the class specified, a rotary can-holdin g device, a paint-holding tank, means for carrying a can into and out of said tank and for then supplying it to the canholding device, means for rotating said canholding device at a high rate of speed whereby `excessive paint is thrown off the can by centrifugal action, and means for catching the paint given olf by said can while held by the can-holding device.

17. In a machine of the class described, a chute, a can-carrier in said chute, means for advancing the can-carrier, a tube on the cancarrier, and a plungerin said tube operated to force the cans from said can-carrier.

18. In a machine of the class specified, a can-holding device, a chute, a can-carrier in said chute, means for operating the can-car- IOO IIO

rier, means upon the can-carrier for forcinga can therefrom and supplying it to the canholding device, means for rotating said canholding device, and means for subsequently ejecting the can from the can-holding device.

19. In a machine of the class specified, a can-holding device, a chute, a can-carrier, means for operating the can-carrier, means upon the can-carrier for forcing a can therefrom and supplying it to the cau-holding device, means for subsequently ejecting the can from the can-holding device, means for rotating said can-holding device, and means for applying paint tothe can before it reaches the can-holding device.

20. In a machine of the class specilied, a chute, a can-carrier including a vertical body having oppositelydisposed lhorizontal sections at its top and bottom, respectively, the lower one serving to sustain a can and the upper acting as a valve for said chute when the can-carrier is advanced, a tube extending from said vertical body the bore of which registers with a hole in said body, a plunger in said tube, and means for moving the plunger forward to cause it to pass through said hole.

2l. In a machine of the class described, a can-carrier having a tube, a plunger in said tube for forcing a can from said can-carrier, provided with a head, a coiled spring in said tube surrounding the plunger, and bearing against the head thereof and one Wall of the bore of said tube, a rock-arm, passing through a slot in said tube and a pin uniting said rockarm with the plunger.

22. In a machine of the class described, a can-carrier having a tube, a plunger in said tube for forcing a can from said can-carrier, provided with a head, a coiled spring in said tube surrounding the plunger and bearing against the head thereof and one Wall of the bore of said tube, a rock-arm, passing through a slotin said tube, a pin uniting said rock-arm with the plunger, a cam, means for rotating said cam, and operative connections between said cam and rock-arm.

23. In a machine of the class specified, a tank, a chut-e for containing cans, leading into and out of the tank, a can-carrier arranged to receive cans from said chute, means for operating the can-carrier, a canholding device, means for forcing a can from the can-carrier and supplying it to the canholding device, means for rotating said canholding device and means for ejecting the can from said can-holding device.

24. In a machine of the class specified, a tank, a chute for containing cans, leading into and out of the tank, a can-carrier arranged to receive cans from said chute,means for operating the can-carrier, a can-holding device, means for forcing a can from the cancarrier and supplying it to the can-holding device, means for rotating said can-holding device, and means for controlling the movement of the can along said chute.

25. In a machine of the class specified, a can-holding device, a can-carrier, means for operating the can-carrier, means for forcing a can from the can-carrier and supplying it to the can-holding device, means for operating said can-holding device to first cause it to hold a can and second to release said can, means for ejecting the can from the can-holding device, means for rotating said can-holding device, and means for applying paint to the can.

26. In a machine of the class described, a shaft having a hollow slotted portion, means for rotating said shaft, a clutch-body fixed to the shaft, levers pivoted on said body, provided with jaws, a clutch-collar slidable on and keyed to said shaft having a wedge face to engage said arms, a plunger in said shaft, a sleeve on said shaft, a rock-arm for shifting said sleeve, apin extending through vthe slot in said shaft and Limiting the plunger and sleeve, a second rock-arm for shifting said clutch-collar, a can-carrier, a third rock-arm connected to the can-carrier, a second shaft operatively connected with said other shaft, and carrying a series of cams, and operative connections between said cams and lrockarms.

In testimony Whereof we have hereunto Set our hands in presence of two subscribing witnesses.

ALBERT T. SHORTLEY. DAVID O. THOMPSON.

Witnesses:

WILLIAM E. STEvENsoN, STEPHEN E. DANIELs. 

